A Tree Grows in Brooklyn – Book 3 Discussion 1

He had sung many a song about ships and going down to the sea in them with a heave ho and a heave to. He wondered why it hadn’t turned out the way it said in the songs. The children should have returned exhilarated and with a deep and abiding love for the sea and he should have returned with a fine mess of fish. Why, oh why didn’t it turn out the way it did in the song?

The Nolan’s have a great love of songs and music.  What role does song and singing play in the novel?